PFAS
What PFAS are, what monitoring can show, and when testing may make sense.
Lead
Why lead is often plumbing- and address-specific.
Fluoride
How to find local fluoride information in reports.
Nitrates
Why wells, septic systems, and agricultural areas can matter.
Site rule: location-specific content should not claim a location has or does not have a contaminant unless supported by cited local data.